Added Pressure Sensor

Included Pressure Sensor HCLA12

Author: BasicAirData

Software/Arduino/Libraries/AirDC/Examples/WithSensors/PressureSensor.ino

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+#include <AirDC.h>
+#include <AirSensor.h>
+
+#define PSENSOR 1
+#if PSENSOR==1
+#include <Wire.h>
+#endif
+
+int psensor;
+double p; //Static Pressure
+AirSensor AirDataSensor(1);
+AirDC AirDataComputer(1);
+
+void setup() {
+Serial.begin(9600);
+#if PSENSOR==1
+  psensor = 1;
+  Wire.begin();
+#endif
+#if PSENSOR==2
+  psensor = 2;
+#endif
+
+}
+
+void loop() {
+  
+  AirDataSensor.Pressure(psensor);
+  AirDataComputer._p=AirDataSensor._p;
+  delay(1000);
+  Serial.println(psensor);  //Selected sensor
+  Serial.println(AirDataComputer._p); //Pressure reading
+}

Software/Arduino/Libraries/AirDC/Examples/WithoutSensors/Minimal.ino

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+#include <AirDC.h>
+#include <stdio.h>
+
+/*
+  Minimal -Basic Air Data calculations with AirDC library
+  Created by J. Larragueta, December 3, 2015.
+  Refer to http:\\www.basicairdata.eu
+*/
+AirDC BasicAirData(1);
+
+void setup() {
+  // put your setup code here, to run once:
+Serial.begin(9600);
+}
+
+void loop() {
+  BasicAirData.RhoAir(101325,288.15,0,1);
+  BasicAirData.IAS(100,1);
+  delay(500);
+  // put your main code here, to run repeatedly:
+Serial.println(BasicAirData._Rho,10);
+Serial.println(BasicAirData._uRho,10);
+Serial.println(BasicAirData._IAS,10);
+Serial.println(BasicAirData._uIAS,10);
+}

Software/Arduino/Libraries/AirSensor/AirSensor.cpp

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+/*
+  AirSensor.cpp - Library for Basic Air Data calculations
+  Created by J. Larragueta, December 3, 2015.
+  Refer to http:\\www.basicairdata.eu
+*/
+#include "AirSensor.h"
+#include <math.h>
+#include <Wire.h>
+
+AirSensor::AirSensor(int pid)
+{
+    //Default parameters values
+    _pid = pid;
+}
+void AirSensor::Pressure(int sensor)
+{
+    switch (sensor)
+    {
+    case 1: //Sensor one is I2C HLCA12X5
+        //http://www.first-sensor.com/cms/upload/datasheets/DS_Standard-HCLA_E_11629.pdf
+        //Basic software for HLCA12X5 from Sensortechnics/First
+        // Pressure  - Sensor output hex/dec
+        //12.5  mBar 1250 Pa - 6CCCx /27852d
+        //-12.5 mBar 1250 Pa - 0666x /1638d
+        // 0    mBar    0 Pa - 3999x/14745
+        //(27852-1638)/2500=10.4856 per Pascal
+        int   reading ;//The reading from pressure sensor[Pa]
+        float rawdata; //Reading with offset
+        Wire.beginTransmission(120); //Initialize correct I2C device number
+        Wire.requestFrom(120, 2);
+        if(2 <= Wire.available())   //When the two requested bytes are available proceed to data handling
+        {
+            reading = Wire.read();  //16 Bit reading, 1 byte per time
+            reading = reading << 8;
+            reading |= Wire.read();
+            rawdata=(reading-1638)/10.4856-1250;
+        }
+        _p=rawdata; //pa
+        _up=10;//pa
+        break;
+    case 2:
+        break; //Sensor two is SPI
+    }
+}
+

Software/Arduino/Libraries/AirSensor/AirSensor.h

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+/*
+  AirDC.cpp - Library for Basic Air Data calculations
+  Created by J. Larragueta, December 3, 2015.
+  Refer to http:\\www.basicairdata.eu
+*/
+
+#ifndef AirSensor_h
+#define AirSensor_h
+#include "Arduino.h"
+class AirSensor
+{
+  public:
+    AirSensor(int pid);
+    void Pressure(int mode);
+  //private:
+    int _pid;
+    double _p;
+    double _T;
+    double _RH;
+    double _qc;
+    double _up;
+    double _uT;
+    double _uRH;
+    double _uqc;
+};
+#endif

Software/Arduino/Libraries/AirSensor/keywords.txt

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+AirSensor	KEYWORD1
+Pressure	KEYWORD2